This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Calculate the molality of a 21.6 (by mass) aqueous solution of phosphoric acid (H3PO4 ). A) 2.81 ... (Read 187 times)

OSWALD

  • Hero Member
  • *****
  • Posts: 580
on: Aug 27, 2018
Calculate the molality of a 21.6 (by mass) aqueous solution of phosphoric acid (H3PO4 ).
 
  A) 2.81 m
  B) 276 m
  C) 5.62 m
  D) 1.41 m
  E) The density of the solution is needed to solve the problem.

Question 2

Which of the following is a positive association with the study of chemistry?
 
  A) Chemistry is relevant to our daily lives.
  B) Chemistry offers career opportunities.
  C) Chemistry has biomedical applications.
  D) Chemistry benefits society.
  E) all of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

E


OSWALD

  • Member
  • Posts: 580
Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Overview of the citric acid cycle Overview of the citric acid cycle
Differences between Deoxyribonucleic Acid and RNA Differences between Deoxyribonucleic Acid and RNA
How to calculate the future value of a mutual fund How to calculate the future value of a mutual fund
Integral Solution Integral Solution
0.123 g of a gas occupy a volume of 124 mL at 120. °C and 760. torr. Its molar mass is ... 0.123 g of a gas occupy a volume of 124 mL at 120. °C and 760. torr. Its molar mass is ...
The pH scale and relationship between bicarbonate and carbonic acid The pH scale and relationship between bicarbonate and carbonic acid
Video: Ciliate conjugation Animation

For a complete list of videos, visit our video library